4-42V input DC-DC power modules in a 2.6x3.0x1.5mm footprint

March 21, 2018 //
By Julien Happich

Part of Maxim Integrated Products' family of micro system-level ICs ("uSLIC"), the MAXM17532 and MAXM15462 integrated DC-DC power modules are claimed to shrink the solution size of wearable power supplies by 2.25x thanks to an ultra-small package measuring only 2.6x3.0x1.5mm.

The devices integrate a synchronous wide-input Himalaya buck regulator with built-in FETs, compensation, and other functions with an integrated inductor. The combination of these components enables the designer to use the modules in small space-constrained systems while complying with mechanical and EMI standards. In addition, engineers simplify designs as they no longer need to deal with conventional bulky, power hungry regulators. Instead, they can integrate the ready-made power module into almost the same space of a tiny LDO. The uSLIC DC-DC buck regulator modules operate over a wide input range as low as 4V to as high as 42V and support multiple applications across nominal input voltages of 5V, 12V, 24V, and 36V with reliable headroom for today's demanding applications. They operate over the -40 to +125ºC temperature range.

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